* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

.header {
    width: 800px;
    height: 100px;
    /*  background: #eee; */
    margin: 0 auto;
}

.headlf {
    float: left;
}

.headlfr {
    float: left;
    margin-left: 10px;
}

.headlfr p:nth-child(1) {
    color: red;
}

.headrt {
    height: 100px;
    float: right;
    line-height: 100px;
}

.headrt p {
    float: right;
}

.banner {
    height: 500px;
    background-image: url(../imgs/223.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: -300px 0;
    position: relative;
}

.footer {
    height: 150px;
    background: #eee;
    line-height: 40px;
    padding-top: 40px;
}

.footer p:nth-child(2) {
    color: red;
}

.bd {
    width: 300px;
    height: 400px;
    background: #fff;
    position: absolute;
    right: 150px;
    top: 50px;
}

.bd p:nth-of-type(1) {
    border-bottom: 1px solid#eee;
    color: orangered;
    margin-right: 20px;
    margin-left: 40px;
    margin-top: 20px;
    margin-bottom: 20px;
}

.bd p:nth-of-type(1) a {
    color: grey;
    margin-left: 20px;
}

.txt {
    width: 200px;
    height: 30px;
    margin: 10px;
    margin-left: 50px;
    position: relative;
}

.bd .lg {
    display: block;
    width: 205px;
    height: 30px;
    background-color: orangered;
    line-height: 30px;
    text-align: center;
    color: #fff;
    margin-left: 50px;
    margin-top: 20px;
}

.bd b {
    margin-left: 20px;
    color: grey;
}

.bd .mm {
    width: 100px;
    height: 20px;
    border: 1px solid red;
    display: block;
}

.bd .mm1 {
    position: absolute;
    top: 105px;
    left: 105px;
}

.bd .mm2 {
    position: absolute;
    top: 159px;
    left: 105px;
}

.bd .mm3 {
    position: absolute;
    top: 213px;
    left: 105px;
}

.zc {
    margin-left: 150px;
    margin-top: 15px;
}

.zc a {
    font-size: 12px;
}

.zc a:nth-child(1) {
    color: #aaa;
}

.zc a:nth-child(2) {
    color: blue;
}

.tb {
    width: 200px;
    height: 50px;
    margin: 20px auto;
    line-height: 60px;
    border-top: 1px solid grey;
    font-size: 12px;
    color: #aaa;
}

.tb b {
    font-weight: normal;
}